Traveling to Mount Aso, Japan? If you're planning to go to Mount Aso, here is some important information about when to go, what to wear, and what to pack:

When to go to Mount Aso, Japan

Based on the climate and weather in Mount Aso, the best time to go is August. See below for details.

What to wear/what to pack for Mount Aso, Japan by month

January

January in Mount Aso is frosty. Temperatures average in the 30s F (single digits C) during the day. It rains once in a while.

What to wear/what to pack:

Rain coat

Waterproof luggage

Waterproof footwear

Warm pants or jeans

Umbrella

Sweaters

Heavy socks

Cold weather footwear

Gloves or mittens

Heavy jacket

February

February in Mount Aso is very cold. The rain/snow can amount to several inches/centimeters. During this time, temperatures average in the 30s F (single digits C).

What to wear/what to pack:

Umbrella

Heavy socks

Warm pants or jeans

Heavy jacket

Sweaters

Rain coat

Gloves or mittens

Cold weather footwear

Waterproof luggage

Waterproof footwear

March

If you vacation in Mount Aso during March, you are likely to find that it is cold. Temperatures tend to hover around the low 40s F (single digits C) during the day, while at night they can dip into the low 30s F (single digits C).

In terms of precipitation, you can expect it to rain 5-10 days this month.

What to wear/what to pack:

Waterproof footwear

Jacket or coat

Standard footwear

Waterproof luggage

Umbrella

Fleeces

Light gloves or mittens

Socks

Warm pants or jeans

Rain coat

April

If you visit Mount Aso during April, you are likely to find that it is brisk. Temperatures tend to hover around the 50s F (low 10s C) during the day, while at night they can dip into the high 30s F (single digits C).

In terms of precipitation, you can expect it to rain a bit less than half of the time.

What to wear/what to pack:

Jacket or coat

Umbrella

Warm pants or jeans

Waterproof luggage

Waterproof footwear

Socks

Light gloves or mittens

Standard footwear

Fleeces

Rain coat

May

If you visit Mount Aso during May, you are likely to find that it is chilly. Temperatures tend to hover around the low 60s F (mid 10s C) during the day, while at night they can dip into the high 40s F (single digits C).

In terms of precipitation, you can expect it to rain a bit less than half of the time.

What to wear/what to pack:

Dresses

Rain coat

Standard footwear

Light jacket or fleece

Long skirts

Long sleeve shirts or blouses

Waterproof footwear

Waterproof luggage

Socks

Umbrella

Pants or jeans

June

Traveling to Mount Aso in June, you will notice that it is balmy and somewhat rainy. Expect it to rain 5-10 days this month. Daytime temperatures are in the 60s F (high 10s C).

What to wear/what to pack:

Light jacket or fleece

Pants or jeans

Long sleeve shirts or blouses

Waterproof luggage

Standard footwear

Long skirts

Umbrella

Socks

Waterproof footwear

Dresses

Rain coat

July

If you are traveling to Mount Aso in July, you will notice that it is mild and somewhat rainy. Expect it to rain about a third of the time. Daytime temperatures are in the low 70s F (low 20s C).

What to wear/what to pack:

Light footwear

Sandals

Shorts or short pants

Skirts

Long and short sleeve shirts

Sunscreen lotion

Rain coat

Dresses

Umbrella

Waterproof footwear

Waterproof luggage

August

August in this region is warm. Temperatures average in the low 70s F (low 20s C) during the day. It rains regularly.

What to wear/what to pack:

Skirts

Waterproof luggage

Rain coat

Sandals

Long and short sleeve shirts

Shorts or short pants

Light footwear

Sunscreen lotion

Umbrella

Waterproof footwear

Dresses

September

If you vacation in Mount Aso during September, you are likely to find that it is mild. Temperatures tend to hover around the high 60s F (low 20s C) during the day, while at night they can dip into the high 50s F (mid 10s C).

In terms of precipitation, you can expect it to rain regularly.

What to wear/what to pack:

Rain coat

Waterproof luggage

Pants or jeans

Long skirts

Dresses

Umbrella

Light jacket or fleece

Standard footwear

Socks

Waterproof footwear

Long sleeve shirts or blouses

October

October in Mount Aso is relatively cool. The average overnight temperatures in the area are in the 40s F (single digits C). It tends to rain once in a while.

What to wear/what to pack:

Long sleeve shirts or blouses

Umbrella

Long skirts

Pants or jeans

Standard footwear

Waterproof footwear

Socks

Rain coat

Waterproof luggage

Dresses

Light jacket or fleece

November

If you visit Mount Aso during November, you are likely to find that it can be brisk. Temperatures tend to hover around the low 50s F (single digits C) during the day, while at night they can dip into the high 30s F (single digits C).

In terms of precipitation, you can expect it to rain once in a while.

What to wear/what to pack:

Umbrella

Socks

Waterproof luggage

Warm pants or jeans

Rain coat

Waterproof footwear

Jacket or coat

Light gloves or mittens

Fleeces

Standard footwear

December

December in Mount Aso is cold. The average overnight temperatures in the area are in the high 20s F (single digits below 0 C). It tends to rain sometimes.

What to wear/what to pack:

Waterproof luggage

Heavy socks

Waterproof footwear

Warm pants or jeans

Umbrella

Sweaters

Rain coat

Gloves or mittens

Cold weather footwear

Heavy jacket

Year-round what to wear/what to pack for Mount Aso, Japan

Here are some general tips on what to wear in Mount Aso, as well as several items to remember to pack when traveling there.